661800796

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 1229558400

約数和(自身を除く): 567757604

約数列:

[1, 2, 4, 37, 47, 74, 89, 94, 148, 178, 188, 356, 1069, 1739, 2138, 3293, 3478, 4183, 4276, 6586, 6956, 8366, 13172, 16732, 39553, 50243, 79106, 95141, 100486, 154771, 158212, 190282, 200972, 309542, 380564, 619084, 1858991, 3520217, 3717982, 4471627, 7040434, 7435964, 8943254, 14080868, 17886508, 165450199, 330900398, 661800796]

約数ペア:

[(1, 661800796), (2, 330900398), (4, 165450199), (37, 17886508), (47, 14080868), (74, 8943254), (89, 7435964), (94, 7040434), (148, 4471627), (178, 3717982), (188, 3520217), (356, 1858991), (1069, 619084), (1739, 380564), (2138, 309542), (3293, 200972), (3478, 190282), (4183, 158212), (4276, 154771), (6586, 100486), (6956, 95141), (8366, 79106), (13172, 50243), (16732, 39553)]